1,1,1-Trifluoroethane

Also known as: Freon 143a, HFC-143a, R-143a, CH3CF3, 2,2,2-Trifluoroethane, Ethane, 1,1,1-trifluoro-, F143A, HFC143a, MFCD00013575, FC-143A, Fron143a

1,1,1-Trifluoroethane (CAS 420-46-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H3F3 and a molecular weight of 84.040 g/mol. Key properties include a melting point of -111ºC, a boiling point of -47.6±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of -101.2±6.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 420-46-2
Jingsj CID: J-44818-5
Molecular Formula: C₂H₃F₃
Molecular Weight: 84.040 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	-111ºC
Boiling Point	-47.6±0.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	-101.2±6.4 °C
Exact Mass	84.018684
LogP	0.83
Vapor Pressure	8445.5±0.1 mmHg at 25°C
Refractive Index	1.238

Customs & Trade Information

HS Code	2903399090
Summary	2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,1,1-Trifluoroethane?

The CAS number of 1,1,1-Trifluoroethane is 420-46-2.

What are the molecular formula and molecular weight of 1,1,1-Trifluoroethane?

1,1,1-Trifluoroethane has molecular formula C2H3F3 and molecular weight 84.040 g/mol.

What are the upstream and downstream products of 1,1,1-Trifluoroethane?

For 1,1,1-Trifluoroethane, Upstream Products: Vinylidene chloride, 1,1,1-Trichloroethane, Trifluoromethane; Downstream Products: 1,1-Dichloro-2,2,2-trifluoroethane, 1,1,1-Trichloro-2,2,2-trifluoroethane, 2-Chloro-1,1,1-trifluoroethane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1,1,1-Trifluoroethane (CAS 420-46-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44818-5 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.